The block in which the above post is included has a merkle root of 217d73b3d58b9554d027a76f123eb46862990b3f.
To find the winner we:

1. Convert the merkle root into base 10:
   217d73b3d58b9554d027a76f123eb46862990b3f = 191194367694279184632875872543796756307775130431.
2. Compute the residual after dividing by the number of tickets: 191194367694279184632875872543796756307775130431 mod 685 = 11.
3. This is the winning ticket, held by @xxxplasticman.

Congratulations!